OdModelerGeometry::getNormal Method

Syntax

C++

virtual OdResult getNormal(double dU, double dV, OdGeVector3d& normal) const = 0;

Parameters	Description
double dU	[in] U parameter.
double dV	[in] V parameter.
OdGeVector3d& normal	[out] Passed-in parameter for returning the normal vector.

eOk if successful. If the dU or dV values are invalid, returns eOutOfRange.

Returns the normal vector at the specified parameter location ([U, V]).